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f2fs: fix some ambiguous comments

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After commit d7e9a9037d ("f2fs: Support Block Size == Page Size"),
Some comments are confused and just correct with block size is 4KB.

Signed-off-by: Zhiguo Niu <zhiguo.niu@unisoc.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Zhiguo Niu 2024-04-26 20:01:29 +08:00 committed by Jaegeuk Kim
parent a798ff17cd
commit 991b6bdf1b
1 changed files with 7 additions and 3 deletions
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10
include/linux/f2fs_fs.h
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@ -394,7 +394,8 @@ struct f2fs_nat_block {
/*
* F2FS uses 4 bytes to represent block address. As a result, supported size of
* disk is 16 TB and it equals to 16 * 1024 * 1024 / 2 segments.
* disk is 16 TB for a 4K page size and 64 TB for a 16K page size and it equals
* to 16 * 1024 * 1024 / 2 segments.
*/
#define F2FS_MAX_SEGMENT ((16 * 1024 * 1024) / 2)
@ -424,8 +425,10 @@ struct f2fs_sit_block {
/*
* For segment summary
*
* One summary block contains exactly 512 summary entries, which represents
* exactly one segment by default. Not allow to change the basic units.
* One summary block with 4KB size contains exactly 512 summary entries, which
* represents exactly one segment with 2MB size.
* Similarly, in the case of block with 16KB size, it represents one segment with 8MB size.
* Not allow to change the basic units.
*
* NOTE: For initializing fields, you must use set_summary
*
@ -556,6 +559,7 @@ typedef __le32 f2fs_hash_t;
/*
* space utilization of regular dentry and inline dentry (w/o extra reservation)
* when block size is 4KB.
* regular dentry inline dentry (def) inline dentry (min)
* bitmap 1 * 27 = 27 1 * 23 = 23 1 * 1 = 1
* reserved 1 * 3 = 3 1 * 7 = 7 1 * 1 = 1